13233222001 has 4 divisors (see below), whose sum is σ = 13235868900. Its totient is φ = 13230575104.

The previous prime is 13233221909. The next prime is 13233222047. The reversal of 13233222001 is 10022233231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2165971600 + 11067250401 = 46540^2 + 105201^2 .

It is a cyclic number.

It is not a de Polignac number, because 13233222001 - 2⁷ = 13233221873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13233222001.

It is not an unprimeable number, because it can be changed into a prime (13233222091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315936 + ... + 1325953.

It is an arithmetic number, because the mean of its divisors is an integer number (3308967225).

Almost surely, 2^13233222001 is an apocalyptic number.

It is an amenable number.

13233222001 is a deficient number, since it is larger than the sum of its proper divisors (2646899).

13233222001 is an equidigital number, since it uses as much as digits as its factorization.

13233222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646898.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13233222001 its reverse (10022233231), we get a palindrome (23255455232).

The spelling of 13233222001 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-two thousand, one".